<template>
  <div>
    <div style="padding: 10px 0">
      <el-input style="width: 200px" placeholder="请输入名称" suffix-icon="el-icon-search" v-model="name"></el-input>

      <el-button class="ml-5" type="primary" @click="load">搜索</el-button>
      <el-button type="warning" @click="reset">重置</el-button>
    </div>

    <div style="margin: 10px 0">
      <el-button type="primary" @click="handleAdd()">新增<i class="el-icon-circle-plus-outline"></i></el-button>

      <el-popconfirm
          class="ml-5"
          confirm-button-text="确定"
          cancel-button-text="我再想想"
          icon="el-icon-info"
          icon-color="red"
          title="您确定删除吗？"
          @confirm="delBatch"
      >
        <el-button type="danger" slot="reference">批量删除<i class="el-icon-remove-outline"></i></el-button>
      </el-popconfirm>

    </div>

    <el-table :data="tableData" border stripe :header-cell-class-name="headerBg"
              row-key="id" default-expand-all
              @selection-change="handleSelectionChange">
      <!--      row-key="id"  行id  default-expand-all  默认展示所有-->
      <!-- @selection-change="handleSelectionChange"获取勾选的数据-->

      <el-table-column type="selection" width="55"></el-table-column>
      <el-table-column prop="id" label="id" width="80"></el-table-column>
      <el-table-column prop="name" label="名称"></el-table-column>
      <el-table-column prop="path" label="路径"></el-table-column>
      <el-table-column prop="pagePath" label="页面路径"></el-table-column>
      <el-table-column label="图标" align="center">
        <template slot-scope="scope">
          <i :class="scope.row.icon" style="font-size: 20px"></i>
        </template>
      </el-table-column>
      <el-table-column prop="description" label="描述"></el-table-column>

      <el-table-column label="操作" width="280" align="center">
        <template slot-scope="scope">
          <el-button type="primary" @click="handleAdd(scope.row.id)" v-if="!scope.row.pid && !scope.row.path">新增子菜单<i
              class="el-icon-plus"></i></el-button>
          <el-button type="success" @click="handleEdit(scope.row)">编辑<i class="el-icon-edit"></i></el-button>

          <el-popconfirm
              class="ml-5"
              confirm-button-text="确定"
              cancel-button-text="我再想想"
              icon="el-icon-info"
              icon-color="red"
              title="您确定删除吗？"
              @confirm="del(scope.row.id)"
          >
            <el-button type="danger" slot="reference">删除<i class="el-icon-remove-outline"></i></el-button>
          </el-popconfirm>

        </template>
      </el-table-column>
    </el-table>

    <el-dialog title="菜单信息" :visible.sync="dialogFormVisible" width="30%">
      <el-form label-width="80px" size="small">
        <el-form-item label="名称">
          <el-input v-model="form.name" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item label="路径">
          <el-input v-model="form.path" autocomplete="off"></el-input>
        </el-form-item>

        <el-form-item label="页面路径">
          <el-input v-model="form.pagePath" autocomplete="off"></el-input>
        </el-form-item>

        <el-form-item label="图标">
          <el-select clearable v-model="form.icon" placeholder="请选择" style="width: 100%">
            <el-option v-for="item in options" :key="item.name" :label="item.name" :value="item.value">
              <i :class="item.value">{{item.name}}</i>
            </el-option>
          </el-select>

        </el-form-item>
        <el-form-item label="描述">
          <el-input v-model="form.description" autocomplete="off"></el-input>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="dialogFormVisible = false">取 消</el-button>
        <el-button type="primary" @click="save">确 定</el-button>
      </div>
    </el-dialog>

  </div>
</template>

<script>
export default {
  data() {
    return {
      tableData: [],
      total: 0,
      pageNum: 1,
      pageSize: 10,
      name: "",
      dialogFormVisible: false,
      multipleSelection: [],
      form: {},
      headerBg: "headerBg",
      options: []
    };
  },
  //   加载时触发
  created() {
    this.load();
    //请求图标的数据
    this.request.get("/menu/icons", {}).then((res) => {
      this.options = res.data;
    });
  },
  methods: {
    load() {
      //加载2条数据
      this.request.get("/menu", {
        params: {
          name: this.name
        },
      }).then((res) => {
        console.log(res);
        this.tableData = res.data;
      });
    },
    save() {
      this.request.post("/menu", this.form).then((res) => {
        if (res.code === '200') {
          this.$message.success("保存成功");
          this.dialogFormVisible = false;
          this.load();
        } else {
          this.$message.error("保存失败");
        }
      });
    },
    //新增
    handleAdd(pid) {
      this.dialogFormVisible = true;
      this.form = {};
      if (pid) {
        this.form.pid = pid
      }
    },
    //编辑
    handleEdit(row) {
      console.log("菜单编辑",row);
      this.form = row;
      this.dialogFormVisible = true;
    },
    del(id) {
      this.request.delete("/menu/" + id).then((res) => {
        if (res.code === '200') {
          this.$message.success("删除成功");
        } else {
          this.$message.error("删除失败");
        }
      });
    },
    //处理表格多选
    handleSelectionChange(val) {
      // console.log(val)
      this.multipleSelection = val;
    },
    //重置
    reset() {
      this.name = "";
      this.load();
    },
    delBatch() {
      let ids = this.multipleSelection.map((v) => v.id); //[{},{},{}] => [1,2,3]
      console.log(ids);
      this.request.post("/menu/del/batch/", ids).then((res) => {
        if (res.code === '200') {
          this.$message.success("批量删除成功");
          this.load();
        } else {
          this.$message.error("删除失败");
        }
      });
    },
    handleSizeChange(pageSize) {
      console.log(pageSize);
      this.pageSize = pageSize;
      this.load();
    },
    handleCurrentChange(pageNum) {
      console.log(pageNum);
      this.pageNum = pageNum;
      this.load();
    },

    //新增子菜单
    addChildren() {

    },
  },
};
</script>
<style scoped>
.headerBg {
  background-color: #eee !important;
}
</style>